68069935 has 4 divisors (see below), whose sum is σ = 81683928. Its totient is φ = 54455944.

The previous prime is 68069929. The next prime is 68069983. The reversal of 68069935 is 53996086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68069935 - 2³ = 68069927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6806989 + ... + 6806998.

It is an arithmetic number, because the mean of its divisors is an integer number (20420982).

Almost surely, 2^68069935 is an apocalyptic number.

68069935 is a deficient number, since it is larger than the sum of its proper divisors (13613993).

68069935 is a wasteful number, since it uses less digits than its factorization.

68069935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13613992.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 68069935 is about 8250.4505937555. The cubic root of 68069935 is about 408.3053889896.

The spelling of 68069935 in words is "sixty-eight million, sixty-nine thousand, nine hundred thirty-five".